effectiveness

音標(biāo)發(fā)音

adj性質(zhì)的同根詞
effective：有效的，起作用的；實(shí)際的，實(shí)在的；給人深刻印象。
effectual：奏效的；會(huì)應(yīng)驗(yàn)的；有法律效力的。
adv性質(zhì)的同根詞
effectively：有效地，生效地；有力地；實(shí)際上。
n性質(zhì)的同根詞
effect：影響；效果；作用。
effector：[生理]效應(yīng)器；[遺]效應(yīng)物；操縱裝置。
effectivity：有效；功效。
vt性質(zhì)的同根詞
effect：產(chǎn)生；達(dá)到目的。

The drugs work well at first but gradually lose their effectiveness.
這些藥的效果起初非常好,但后來(lái)逐漸失效.
To assert this is to denigrate the effectiveness of the police.
堅(jiān)持這一點(diǎn)就是貶低警方的辦事能力.
Bad diction marred the effectiveness of his speech.
措詞不當(dāng)影響了他演說(shuō)的效果.
The drugs work well at first but gradually lose their effectiveness.
這些藥的效果起初非常好,但后來(lái)逐漸失效.
To assert this is to denigrate the effectiveness of the police.
堅(jiān)持這一點(diǎn)就是貶低警方的辦事能力.